12685304121 has 8 divisors (see below), whose sum is σ = 19329987264. Its totient is φ = 7248745200.

The previous prime is 12685304117. The next prime is 12685304141. The reversal of 12685304121 is 12140358621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12685304121 - 2² = 12685304117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12685304141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302031030 + ... + 302031071.

It is an arithmetic number, because the mean of its divisors is an integer number (2416248408).

Almost surely, 2^12685304121 is an apocalyptic number.

It is an amenable number.

12685304121 is a deficient number, since it is larger than the sum of its proper divisors (6644683143).

12685304121 is an equidigital number, since it uses as much as digits as its factorization.

12685304121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604062111.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 12685304121 in words is "twelve billion, six hundred eighty-five million, three hundred four thousand, one hundred twenty-one".